The length of a rectangular parking lot at the airport is 2/3 mile. if the area is 1/2 square mile, what is the width of the parking lot? (write fraction in a/b format with unit)

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years